David Isaac - Oct 24, 2021 Form 4 Insider Report for Cactus, Inc. (WHD)

Role: GC and VP of Administration
Signature: /s/ David Isaac
Stock symbol: WHD
Transactions as of: Oct 24, 2021
Transactions value $: -$53,581
Form type: 4
Date filed: 10/25/2021, 07:19 PM
Next filing: Mar 8, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WHD	Class A Common Stock	Options Exercise		+3.04K	+23.6%		15.9K	Oct 24, 2021	Direct	F1
transaction	WHD	Class A Common Stock	Tax liability	-$53.6K	-1.2K	-7.51%	$44.80	14.7K	Oct 24, 2021	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WHD	Restricted Stock Units	Options Exercise	$0	-3.04K	-9.41%	$0.00	29.3K	Oct 24, 2021	Class A Common Stock	3.04K		Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.
F2	Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units.
F3	On October 24, 2018, the reporting person was granted 9,116 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.